Well?
Cheers,
Earl
Is there some meaning to their neck ties / scarfs? Semiphore?
You win the prize. The ties of the first four spell “FARM” for Arlington Farms, their duty station. Putting a message in a picture or another message (known as steganography) is an old cryppie trick. A more famous example is discussed here:
https://elonka.com/friedman/index.html
Cheers,
Earl